<?xml version="1.0"?>
<!-- events/SingleRegisterHandler.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
creationComplete="createLinkHandler();">
    <mx:Script><![CDATA[
        private function linkHandler(event:MouseEvent):void {
            var url:URLRequest = new URLRequest("http://
finance.google.com/finance?q=" +
            event.target.label);
            navigateToURL(url);
        }
        private function createLinkHandler():void {
            p1.addEventListener(MouseEvent.CLICK,linkHandler);
        }
    ]]></mx:Script>
    <mx:Panel id="p1" title="Click on a stock ticker symbol">
        <mx:LinkButton label="ADBE"/>
        <mx:LinkButton label="GE"/>
        <mx:LinkButton label="IBM"/>
        <mx:LinkButton label="INTC"/>
    </mx:Panel>
</mx:Application>

The above are code in the following page

http://livedocs.adobe.com/flex/3/html/help.html?content=events_08.htm...

it was working fine but when i click the title of the border,
will through the error like

ReferenceError: Error #1069: Property label not found on
mx.core.UITextField and there is no default value.
        at check/linkHandler()[H:\workspace\flexspace\testing\src\check.mxml:
6]
what is this error?

when i click directly click on it in the corresponding help page
it will not through the error

why?

Thanks&Regards,
Gerald A